51363315 has 20 divisors (see below), whose sum is σ = 92074224. Its totient is φ = 27393552.

The previous prime is 51363269. The next prime is 51363329. The reversal of 51363315 is 51336315.

51363315 is a `hidden beast` number, since 5 + 13 + 633 + 15 = 666.

It is not a de Polignac number, because 51363315 - 2¹⁴ = 51346931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63007 + ... + 63816.

Almost surely, 2^51363315 is an apocalyptic number.

51363315 is a deficient number, since it is larger than the sum of its proper divisors (40710909).

51363315 is a wasteful number, since it uses less digits than its factorization.

51363315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126840 (or 126831 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 51363315 is about 7166.8204247072. The cubic root of 51363315 is about 371.7215007095.

Subtracting from 51363315 its reverse (51336315), we obtain a cube (27000 = 30³).

The spelling of 51363315 in words is "fifty-one million, three hundred sixty-three thousand, three hundred fifteen".